Will my iPhone app take a performance hit if I use Objective-C for low level code?

Will my iPhone app take a performance hit if I use Objective-C for low level code?

c++ iphone objective-c performance optimization

objective-c

Objective C message dispatch mechanism

objective-c performance

objective-c

MapKit poor scrolling performance with Apple Maps in iOS 6

ios objective-c performance ios6 mapkit

objective-c

iOS - How can I preload the keyboard?

ios objective-c performance uikeyboard

objective-c

How to find out what mach_msg_trap waits for?

objective-c cocoa-touch performance instruments

objective-c

Swift vs Objective-C: App performance [closed]

ios objective-c performance swift

objective-c

Performance Issues When Using Many CALayer Masks

ios objective-c performance calayer masking

objective-c

Is objectForKey slow for big NSDictionary?

ios objective-c performance nsdictionary

objective-c

Canonical method of measuring iOS app startup performance?

objective-c ios performance app-startup

objective-c

Why is autorelease especially dangerous/expensive for iPhone applications?

iphone objective-c performance autorelease

objective-c

How to implement UIScrollView with 1000+ subviews?

iphone objective-c performance uiscrollview

objective-c

Do I lose performance by using .xib files to provide an iPhone app's GUI?

iphone objective-c performance nib xib

objective-c

Text Rendering iOS - Most performant way to render fast changing text

ios objective-c performance nsattributedstring core-text

objective-c

Accessing NSUserDefaults Often

objective-c cocoa performance nsuserdefaults

objective-c

Performance difference between dot notation versus method call in Objective-C

objective-c performance

objective-c